Trimethyl Pentanyl Diisobutyrate
AKA “6846-50-0, 2, 4-Trimethyl-1, 3-pentanediol diisobutyrate, Kodaflex txib, TXIB, DTXSID1027635, Propanoic acid, 2-methyl-, 2-dimethyl-1-(1-methylethyl)-1, 3-propanediyl ester, 4KZA479DWQ, 4-Trimethylpentanediol-1, 3-diisobutyrate, Isobutyric acid, 1-isopropyl-2, 2-dimethyltrimethylene ester
Ingredient
Ingredient Facts
Trimethyl pentanyl diisobutyrate
AKA: 6846-50-0, 2, 4-Trimethyl-1, 3-pentanediol diisobutyrate, Kodaflex txib, TXIB, DTXSID1027635, Propanoic acid, 2-methyl-, 2-dimethyl-1-(1-methylethyl)-1, 3-propanediyl ester, 4KZA479DWQ, 4-Trimethylpentanediol-1, 3-diisobutyrate, Isobutyric acid, 1-isopropyl-2, 2-dimethyltrimethylene ester
Ingredient · Plasticiser · EWG: 2
Synthetic
Clean
1-Isopropyl-2,2-dimethyltrimethylene diisobutyrate
Formula
C16H30O4
Mol. Weight
286.41
CAS #
6846-50-0
Form
Liquid
State
Liquid
See origin →
Functions
Plasticiser
Antioxidant
Anti-Inflammatory
Moisturizing
Adds flexibility
Traditional Use
A synthetic ester developed as a cosmetic emollient and solvent. Designed to provide light, non-greasy moisturization in skincare and color cosmetics.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of 2-Methyl-5-Hydroxyethylaminophenol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2-Methyl-5-Hydroxyethylaminophenol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Trimethyl Pentanyl Diisobutyrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Methyl-1-Phenyl-2-Propanol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Methyl-5-Hydroxyethylaminophenol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2,2,4-Trimethyl-1,3-Pentanediol Monoisobutyrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Trimethyl Pentanyl Diisobutyrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Methyl-m-phenylenediamine
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR